Endophthalmitis following Ruiz procedure. Case report.
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Adult↗
Biomedical subjects
T J Gast
Publications and source records attributed to T J Gast.
Detection threshold for lights of varying purity.
Duration thresholds for hue substitution stimuli of various wavelenghts and colorimetric purity were determined. Results indicated an inverse relationship between duration thresholds and colorimetric purity. It was also found that short-wavelength sensitive (SWS) cones can contribute to the detection of low purity, short duration (less than 5 ms) stimuli.
Color↗
The achromatic channel. I. The non-linearity of minimum-border and flicker matches.
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Adaptation, Ocular↗
Is there a single cell code for background light levels?
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Animals↗
Sodium bicarbonate reduces pain associated with ophthalmic nerve blocks.
Administration of local nerve blocks for ophthalmic surgical procedures causes pain resulting in an unpleasant and stressful experience for the patient. A prospective, randomized, double-masked study compared injection pain of anesthetic solutions used for facial and retrobulbar nerve blocks. Anesthetic solutions to which sodium bicarbonate had been added were compared with anesthetic solutions without added sodium bicarbonate. Pain on injection of both facial and retrobulbar nerve blocks was significantly less (P = .0009 and P less than .0001 respectively), without diminution of effectiveness of either type of nerve block, in the group using anesthetic solutions to which sodium bicarbonate had been added.
Anesthetics, Local↗